Business 24 7 -- The Dubai Department of Tourism and Commerce Marketing (DTCM), will tell hotels to reduce room rates by up to 50 per cent in order to boost tourism traffic during the 65-day Dubai Summer Surprises shopping festival , a senior DTCM?executive said yesterday. “We see Dubai hotels reducing room rates between 40 and 50 per cent during DSS,” Shaikha Ebrahim Al Mutawa, DTCM’s Director of Business, told Emirates Business.